<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>

        .box1{
            width: 935px;
            height: 120px;
            border: 1px solid #dedede;
            margin: 10px auto;
            background-color: #ecebee;
            border-radius: 15px;
            box-shadow: 4px 11px 7px  #bfbfbf,-4px 11px 7px #bfbfbf;
        
        }

        [type=text]{
            width: 683px;
            height: 80px;
            margin: 17px;
            border: 3px solid #ccc;
            border-radius: 10px;
            font-size: 25px;
            /* 缩进 */
            text-indent: 11px;

        }

        [type=submit]{
            width: 200px;
            height: 80px;
            background: rebeccapurple;
            color: #fff;
            font-size: 24px;
            border-radius: 10px;
            border: 3px solid rebeccapurple;

        }

        *{
            margin: 0;
            padding: 0;
        }

        input{
            outline: none;

        }

    
    </style>
</head>
<body>
    
    <div class="box1">

        <form action="">
            <input type="text" placeholder=" 内容1 内容2 内容1 内容2" name="aa">
            <input type="submit" value="GO">
            
        </form>


           

        

    </div>

</body>
</html>